Eating is good. = To eat is good. = It is good to eat. to spend to work ~은 to make to help It's easy to spend. = Spending is easy.
소비하는 것은 쉽다. It's easy to work. = Working is easy.
일하는 것은 쉽다. It's easy to make. = Making is easy.
만드는 것은 쉽다. It's easy to help. = Helping is easy.
돕는건 쉽다. It's easy to spend money.
돈 쓰는 건 쉽다. It's easy to work with him.
걔량 일하는 건 쉽다. It's easy to make money.
돈 버.....
원문 링크 : 동사의 주어 역할2